Trailed by the flagship GeForce GTX 780 model, Nvidia officially launches one more high-performance graphics adapter of 700 series, codenamed GeForce GTX 770. Albeit the two products are rather similar in design (i.e. the incorporation of identical two-slot cooling system), their layout differs considerably. First of all, GTX 770 employs less efficient graphics core Nvidia GK104-425-A2 (28 nm) with 1536 CUDA cores, 128 TMUs, and 32 ROPs. At the same time this GPU operates at higher frequencies: 1046 MHz (nominal), 1085 MHz (dynamic).

Nvidia’s new entry comes either with 2 GB or 4 GB video memory modules of GDDR5 type. They employ 256-bit interface and ensure high bandwidth of 224 Gb/sec. Memory operational frequency is truly striking, demonstrating up to 1752 MHz (nominal) and up to 7010 MHz (dynamic) index. It should be noted that models with 4 GB modules will cost $50 more than those with 2 GB items (the recommended price makes up $399).

During August, MSI will release the two motherboards LGA1155 form-factor Mini-ITX, based on chipset Intel B75 and Z77. The first is positioned as a budget solution, the second is, in addition to support of overclocking Ivy Bridge K factor, will offer enhanced power system, and integrated Wi-Fi adapter and Bluetooth. Before the start of retail sales APU A-Series/Trinity (October) they will be joined by Mini-ITX motherboard based on chipset AMD A85.

From the pair of tiny “motherboards” B75/Z77 the greatest interest is for last one. The full codename of the model — MSI Z77IA-E53.

The upcoming model has seven power phases of processor socket with elements DrMOS and tantalum capacitors, power connector EPS12V 8-pin, two slots for RAM DDR3 (up to 16 GB of RAM) and a slot PCI Express 3.0 x16. Also, there are two SATA ports with a throughput of 3 and 6 Gb / s, single eSATA and mSATA (3 Gb / s). Jack mini-PCIe 5 GT / s is located directly above the mSATA — the original …

LEPA is ready to release a new series of entry-level power supply units entitled MX-F1. The series counts three models of 400 W, 500 W and 600 W capacity: N400-SA-EU, N500-SA-EU and N600-SA. In addition, the company has expanded its MaxGold line with a flagship 1000-watt model. It corresponds to Intel ATX12V 2.4 standard and employs an optimized hardware design.

To begin with, MX-F1 PSUs offer 87% of ultimate efficiency. Operating at 20%/50%/100% loading, they are able to achieve 82%/85%/82% efficiency correspondingly. Nonetheless, the models cannot receive 80Plus Bronze certificate, since they feature limited voltage input range. All the models within the series employ a single +12V rail and boast a non-modular design.

This promotes for the connection of middle-efficiency components. They support Active PFC and a wide spectrum of protective functions (over-voltage, over-current, over-power, short-circuit). Cooling of internal components is ensured by a single 120 mm fan. …

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